Tension Pulley Assembly Attachment; Tension Pulley Assy Assembly; Main Motor Assembly Attachment; Main Motor Assembly - Brother BC800 Service Manual

Main unit
12

Tension pulley assembly attachment

1. Attach the tension pulley assembly 1 to the arm bed cover with the 2
screws 1.
2. Attach spring .
S09
*Key point
• Perform "4 - 3 Timing belt tension adjustment.
1
S09
12-1

Tension pulley ASSY assembly

1. Align the boss 3 on the tension pulley holder 2 with the hole on the
tension pulley assembly 1, and secure the tension pulley assembly with
the screw 1.
1
13

Main motor assembly attachment

1. Hang the motor belt 2 over the main motor assembly 1.
2. Attach the main motor assembly 1 to the arm bed cover assembly with the
2 screws 1.
*Key point
• Perform "4 - 4 Motor belt tension adjustment.
1
13-1

Main motor assembly

1. Attach the main motor 2 to the motor holder 1 with the 2 screws 1.
2. Attach the motor fan 3.
1
3 - 10
Main parts
Giza Tite
5X16
Color; Gold
19.8
5
Screw, Pan (S/P washer)
M4X8DA
Color; Silver
Giza Tite
5X16
Color; Gold
Screw, Pan (S/P washer)
M3X8DB
Color; Silver
Torque
·
1.18 – 1.57 N m
SPRING
XC2538***
Torque
·
1.18 – 1.57 N m
Torque
·
0.29 – 0.49 N m
Torque
·
0.59 – 0.78 N m
1 1
S09
1
1
1 2
1
3
1
2
2
3
1